1960 to 1969

FCC-1

DU-3S

1970 to 1979

ECP-100

Produced from 1977, ECG and Mini-computer combined Automatic ECG analysis system

SCM-240 First ECG Holter in Japan

Produced from 1977, long-term playback system, capable of analyzing ECG at 60 times higher than recording speed, and display of ECG waveform 20 seconds before and after ECG when the playback was stopped.